Langer's Sudoku Assistant

Invalid Sudoku!

Row 6 is invalid. Column 8 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

2
4
5
6
7
1
8
9
3
3
6
1
9
4
8
2
7
5
7
9
8
3
3
2
6
4
1
9
6
7
3
2
4
1
5
8
1
8
3
5
9
6
7
2
4
5
2
4
8
1
7
3
3
9
7
3
9
4
1
1  2  3
4  5  6
7  8  9
5
8
2
6
1  2  3
4  5  6
7  8  9
2
8
3
9
4
1
7
1
8
5
2
7
6
9
1  2  3
4  5  6
7  8  9
3

 

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